AVEVA™ PI System™ Feedback Portal

Welcome to our feedback site!


We created this site to hear your enhancement ideas, suggestions and feedback about AVEVA products and services. All of the feedback you share here is monitored and reviewed by the AVEVA product managers.

To start, take a look at the ideas in the list below and VOTE for your favorite ideas submitted by other users. POST your own idea if it hasn’t been suggested yet. Include COMMENTS and share relevant business case details that will help our product team get more information on the suggestion. Please note that your ideas and comments are visible to all other users.


This page is for feedback specifically for AVEVA PI System. For links to our other feedback portals, please see the tab RESOURCES below.

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Search results: Analytics & Calculations

    Showing 11 of 43

    More functions to support operations on arrays

    The arrays in Expression and Event Frame Generation analyses are useful, but use cases are emerging where more functions are needed to reduce/calculate the arrays in more streamlined fashion. For example, Concat function should support array of ch...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 19 No status

    Allow writing arrays as a time series to an output

    I would like to be able to configure outputs in an analysis to write at multiple time points (which are defined by the result of an array function). My use case is to: 1. Configure an attribute as a Time Series Table Lookup 2. Create an analysi...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Tell us more

    Add Covariance and Max-Covariance functions to Asset Analytics

    Currently PI ACE calculations are used to verify if the data from redundant sensors is trustworthy. The PI ACE module implements Covariance and Max-Covariance calculations. The customer would like to move from PI ACE to Asset Analytics and is faci...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 0 Completed

    Add an analysis function to find the Kth largest value in an array

    Expression analyses allow you to find the largest value of an attribute over a specified time range using the TagMax function. A function which offers the ability the find the Kth largest value (i.e. 2nd, 3rd, etc.) would be useful. Something simi...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

    Extend Support for PI's Advanced Calculation Engine (ACE)

    Hi team, I’m glad to hear the PI SDK is backwards compatible, but I’m equally surprised and sad to see PI ACE is no longer supported going forward, especially with the uncertainty of whether PI ACE can run on the latest Windows Server OS’s (curr...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 1 Declined

    Create ability to easily reference previous or next value in array

    When working with arrays in PI Analysis it would be nice to be able to compare a current value against the previous or next value. I have figured out that I can use PrevVal in the MapData function, however it appears that this goes back to data ar...
    BrentPowers over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

    Add a string array function to extract all items into a string result

    Our process is writing an array of strings into an AF attribute of the same type. This AF attribute may receive information of different size (index) in time. We need to extract all the information contained in the string array (all the items) an...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

    Add support to create custom AFAnalysisRule plugins

    I would like to create a custom AFAnalysisRule that allows us to leverage the resources on the PI Analysis Service to perform calculations that the Analysis Service currently cannot perform. These calculations include matrix operations, array oper...
    Guest over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

    Provide Enumerated Values for Named Arguments for Analysis Functions

    Provide Enumerated Values for Named Arguments for Analysis Functions For functions with arguments that have named values, provide enumerated choices (not AF enumeration but analysis native) For instance, the LinRegr function returns an array of ...
    Brian Deslatte over 3 years ago in AVEVA™ PI Server / Analytics & Calculations 0 Declined

    Make "In" operator compatible with arrays within AF Analysis

    We have many calculations following this basic pattern - take recorded values of one attribute, apply a filter (using FilterData), then retrieve values of a second attribute at the filtered timestamps of the first attribute. Currently, we cannot r...
    Gregory Malek over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 0 No status